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Yevgeny Balitsky, the head of the Russian-imposed administration of the occupied Zaporizhzhia region of Ukraine, has described the situation on the frontline there as “tense”.

Very little reliable detail is emerging from the active combat zones. Balitsky claims that Russian forces control the Vremivka direction, which is just over the regional border from Zaporizhzhia into Donetsk.

The night was quiet. There was little activity of enemy aircraft. There are not many nights like this. Many Ukrainians had the opportunity to sleep at least. We hope this day will be calm, but according to the general staff there is still a high probability of missile attacks. Therefore, we all need to be vigilant and respond to the messages we receive about air threats every time.

Zelenskiy posts video showing soldiers in village of Staromaiorske; Russian president says attacks have increased primarily on frontline in Zaporizhzhia

• Russia-Ukraine war at a glance

Pavlo Kyrylenko, Ukraine’s governor of Donetsk, has given civilian casualtiy figures in the Ukraine-controlled portion of the region. On Telegram he stated that in the last 24 hours one person was killed and nine injured.

The claims have not been independently verified.

The losses from Ukraine’s much vaunted counteroffensive were heavy and early. Pushing into the country’s sprawling southern fields earlier this summer, Kyiv lost almost a fifth of Nato kit provided for the operation, according to Ukrainian and western officials.

Kyiv’s military response across much of the frontline is now becoming clear: to change tactics. The shift in fighting doctrine applied in recent weeks, according to Ukrainian commanders, appears to be achieving some hard-fought but tangible results on the battlefield, at a more tolerable cost.

It makes moral and economic sense for west to help more as Kyiv cannot protect all main cities, aide says

• Russia-Ukraine war – latest news updates

Ukraine cannot protect all of its main cities from Russian missile threats without a significant increase in the provision of air defence systems, according to a key adviser to President Volodymyr Zelenskiy.

Mykhailo Podolyak said the strikes on Odesa over the past week had shown clearly that the Russian strategy was to bombard Ukrainian cities, with the aim of overwhelming air defence systems.